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Access Control Companies in Glasgow: 100+ Active Firms (2026)
Access-control companies design, install and maintain electronic entry and asset-protection systems for premises in and around Glasgow.
Buying decisions tend to sit with facilities, estates, security, IT and procurement teams, with finance involved where installation is tied to wider premises upgrades or insurance requirements. The more relevant accounts are commercial landlords, public-sector estate managers and multi-site operators that need project delivery, field engineering and recurring servicing under the same supplier relationship. Engagements are usually hardware-led, with revenue split between installation, planned maintenance, monitoring support, key holding coordination and guarding-adjacent services. Smaller buyers may still purchase door-entry or CCTV upgrades, but the more durable relationships are service contracts around critical premises rather than ad hoc domestic work.
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Glasgow has 112 actively trading access-control and security-systems firms, a modest local cohort serving a metropolitan premises base rather than a large software cluster. Reported headcount across the cohort is 1,386 people, which fits a market built around field engineers, supervisors, service desks and guarding-adjacent operations. Turnover distribution appears uneven: a small upper tier can take on higher-value commercial and public-sector work, while many operators remain local specialists with recurring servicing and reactive maintenance alongside installation income.
The Security Industry Authority regulates the UK private security industry, but access-control installation is activity-specific rather than covered by a blanket installer licence. Contracted manned guarding, key holding, public-space CCTV monitoring and security guarding can bring front-line or non-front-line licensing into scope for operatives, directors or managers. ICO guidance is also relevant where biometric recognition or identifiable surveillance is used, since these systems process personal information and may involve special-category biometric data. The British Security Industry Association's access and asset-protection grouping reflects the mixed hardware, installation and service model common in this market.
Demand appears likely to be shaped by retrofit, compliance and service renewal across commercial and public-sector premises around Glasgow, not just by new building work. Biometric entry and CCTV-linked access tend to add privacy diligence, while labour-intensive installation limits pure software-style scaling. Consolidation has been selective in comparable service-led security markets: firms with maintenance books and field-engineering coverage appear easier to integrate than installers dependent on project work. The cohort therefore looks weighted toward local operators, with scale coming from contracts, response coverage and accreditation rather than from product volume alone.
112
Active firms
2026
8
Above £5M
turnover
30
New incorporations
since 2022
Key facts
About 7% of the trading cohort reports turnover above £5M (8 of 112 firms) — the rest sits below that revenue band.
26% of the cohort was incorporated since 2022 (30 firms), so a sizeable share is in its first few filing cycles.
SIA licensing depends on the activity supplied under contract, with manned guarding, key holding, public-space CCTV monitoring and security guarding among the relevant licensable activities.
Directors or managers may need front-line or non-front-line SIA licences where their business supplies licensable operatives.
ICO guidance treats biometric recognition systems used to uniquely identify someone as processing personal information, biometric data and special-category biometric data.
Services are forecast to be the fastest-growing UK access-control offering segment from 2025 to 2030, while hardware generated the largest revenue share in 2024.
The UK accounted for 4.9% of the global access-control market in 2024, while Europe accounted for 25.5%.
Top Glasgow access control companies
HARTECH ALARMS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns, installs and maintains security systems for commercial and residential properties, including intruder alarms, CCTV surveillance, fire detection and access control systems, and provides…
Serves businesses and homeowners across Glasgow and central Scotland, with a focus on commercial, industrial, education, retail and hospitality premises, plus facilities management providers and…
Financial Health
StrongStrong · Hiring · 10% CAGR over 3y
Location
COMMERCIAL ASSET SECURITY LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides property security and management services including vacant property steel doors and screens, temporary alarms, CCTV towers, property inspections, communal door entry systems, cleaning, pest…
Serves registered social landlords, housing associations, councils, commercial property landlords and public sector bodies such as the NHS and MOD, mainly organisations managing property portfolios…
Financial Health
StableStable · Hiring · 8% CAGR over 3y
Location
PROTEC FACILITIES MANAGEMENT LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides facilities management and support services including manned security, mobile patrols, CCTV installation and remote monitoring, alarm response, cleaning, waste and grounds maintenance, and…
Serves B2B and public-sector clients, including commercial managing agents, corporate, industrial and retail sites, housing associations in Scotland, and construction and demolition operators needing…
Financial Health
HealthyHealthy · -76% CAGR over 3y
Location
ARREST FIRE AND SECURITY LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides design, installation, maintenance and monitoring of fire safety and security systems, including fire alarms, extinguishers, dry risers, intruder alarms, CCTV surveillance and access control,…
Serves homeowners and businesses across Glasgow, surrounding areas and Scotland, including commercial, hospitality and retail premises, plus larger industrial clients.
Financial Health
HealthyHealthy · Growing, Hiring · 2% CAGR over 5y
Location
SECURITY & FIRE SYSTEMS (SCOTLAND) LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsInstalls and maintains security and safety systems including intruder alarms, fire alarms, CCTV, access control and door entry systems. Also provides home automation installations, system monitoring,…
Serves businesses, care homes, property managers and homeowners with premises requiring security and fire safety installations, maintenance and emergency callouts.
Financial Health
HealthyHealthy · -9% CAGR over 3y
Location
VAULT SYSTEMS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, supplies, installs and maintains fire safety and electronic security systems, including fire alarms, burglar alarms, CCTV, access control, door entry and emergency lighting. Also provides…
Serves homeowners, landlords, businesses and facilities managers needing fire safety, security and compliance support across Scotland and northern England, including domestic properties and…
Financial Health
HealthyHealthy · Hiring · 90% CAGR over 4y
Location
9C CONTRACTS LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides design, installation and maintenance of fire safety, life safety and security systems, including fire alarms, CCTV and access control. Also delivers fire risk assessments, asset verification…
Serves UK organisations in education, healthcare, rail and retail, including schools, academies, colleges, universities, hospitals, clinics, care homes, rail stations, depots, shopping centres and…
Financial Health
StrongStrong · Hiring · 67% CAGR over 1y
Location
Provides security services including manned guarding, retail and event security, door supervision, key holding and alarm response, public space CCTV monitoring, and close protection. Also delivers…
Serves businesses and public-sector organisations across the UK and Ireland, including retailers, facilities and property teams, event venues and organisers, and organisations with public-space or…
Location
CLARKTEC SYSTEMS LIMITED
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StableStable
Location
SIM LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns, installs and maintains security and fire protection systems for commercial and residential properties, including CCTV, intruder alarms, fire alarms, interlinked smoke alarms and access…
Sells to businesses and households needing security and fire protection, with clear focus on commercial premises and homeowners. Serves organisations seeking CCTV, intruder alarms, access control and…
Financial Health
StableStable · 0% CAGR over 3y
Location
Multimedia Integrated Solutions Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and installs telecommunications, security, networking and audio‑visual systems for residential and commercial properties, including CCTV, intruder alarms, access control, door and gate…
Serves homeowners and businesses needing residential or commercial security, automation, networking and audio-visual installations, including offices, boardrooms, car parks and sites requiring access…
Financial Health
StrongStrong · Hiring · 8% CAGR over 2y
Location
PROFESSIONAL TRAINING ZONE LTD
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
SIGHT SOUND & SECURITY SYSTEMS LTD.
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides electrical installation and repair services and installs security and smart home systems including door entry, alarms, motion lighting, CCTV and remote monitoring. Also installs TV,…
Serves homeowners, office occupiers and businesses in Glasgow, West Scotland and across Scotland seeking electrical, security, smart home and entertainment system support.
Financial Health
StrongStrong
Location
Customised Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
KEARNEY SECURITY SYSTEMS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
ARM SECURE SERVICES LIMITED
Trajectory
2y · 2024–NowFinancial Health
Insufficient historyInsufficient history
Location
BARRIER ALARMS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed
Location
SLMM Services Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
HealthyHealthy · 0% CAGR over 2y
Location
Scorpion Security Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -10% CAGR over 4y
Location
SYSTEM TOTAL SECURITY LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
ACI Integrated Solutions (AV) Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides design and installation of ICT and building technology systems, including structured and fibre optic cabling, wireless networks, audio‑visual installations, CCTV and access control, digital…
Serves businesses and organisations across the UK, particularly those with offices, campuses or other work environments needing outsourced support for building infrastructure, AV, visual…
Financial Health
WeakWeak · Hiring · 20% CAGR over 1y
Location
URSA GATES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and installs automated vehicle and pedestrian access control systems, including electric sliding and swing gates, traffic barriers, bollards, blockers, turnstiles and speed gates. Provides…
Serves commercial and domestic customers across the UK and Ireland, including property owners, facilities managers and security teams responsible for vehicle and pedestrian access control.
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 4y
Location
WSS GROUP LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides installation, repair and maintenance of security and fire alarm systems, CCTV and door entry access control. Also carries out electrical repairs, testing and lighting installation, and…
Serves homeowners, private customers and commercial clients in Greater Glasgow and wider Scotland, including buyers needing home security, electrical, joinery, locks and door entry support.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 5y
Location
Smart Security Services Limited
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 52% CAGR over 5y
Location
GMC SYSTEMS LTD
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
ROCK STEADY SECURITY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · -62% CAGR over 4y
Location
Bannachan Security Installations Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
WeakWeak · 0% CAGR over 3y
Location
KFS SOLUTIONS LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, installs and maintains security and fire alarm systems for commercial and institutional sites. Provides CCTV, access control and intruder alarms, integrated system design with CAD drawings,…
Serves commercial and public-sector sites across Scotland, including shopping centres, factories, schools, colleges and office blocks.
Financial Health
WeakWeak · 0% CAGR over 2y
Location
King Communications & Security Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and maintains integrated security and communications systems, including IP CCTV, intruder alarms, access control, door entry, fire and life‑safety systems, structured cabling,…
Serves organisations in Scotland across education, healthcare, retail, hospitality, corporate estates and local government, including hospitals, universities, heritage sites, showrooms and…
Financial Health
StableStable · 2% CAGR over 4y
Location
OLIVER INTEGRATED LTD.
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, supplies, installs, commissions and maintains fire alarm systems, emergency lighting, CCTV, intruder alarms and electronic access control systems for commercial and industrial premises,…
Serves businesses, landlords and property/facilities managers needing fire and security systems for commercial, industrial or managed premises.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides security services for commercial premises, retail sites and events, including door supervision, close protection, security guarding, mobile patrols and key holding, as well as CCTV and alarm…
Serves businesses and event organisers needing security staff, including licensed premises, retailers, commercial sites, public venues and live events.
Financial Health
StrongStrong · 18% CAGR over 2y
Location
POLSEC GROUP LTD.
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsProvides security services including security officers, mobile patrols, concierge and open‑and‑close services, and fire and security systems. Also delivers facilities management such as cleaning,…
Serves B2B and public-sector clients, including offices and professional workspaces, retailers, banks, builders and developers, hospitality and leisure venues, industrial sites, and warehouse…
Financial Health
StrongStrong · Growing, Hiring · 30% CAGR over 3y
Location
TS-UK (ELECTROMECHANICAL LOCKING SPECIALISTS) LTD.
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsSupplies, installs and maintains electro‑mechanical door locking systems integrated with electronic access control. Provides door, gate and barrier automation, fire door installation and servicing,…
Serves public- and private-sector organisations across Scotland and the UK, including financial services, healthcare, government, utilities, commercial property operators and hospitality businesses…
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 3y
Location
BELL FIRE AND SECURITY LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns, installs and maintains fire and security systems for residential and commercial properties, including fire alarms, CCTV, intruder alarms and access control. Also provides alarm monitoring,…
Serves homeowners and businesses across Scotland, including retail shops, offices, industrial sites, contractors, councils and other organisations needing premises protection and compliance support.
Financial Health
WeakWeak · -76% CAGR over 3y
Location
SAFE AND SOUND FIRE LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsInstalls and maintains fire safety and security systems, including fire alarms, fire extinguishers, emergency lighting, CCTV, intruder alarms, and access control. Also provides fire signage, passive…
Serves businesses and organisations in Edinburgh and Glasgow, including offices, shops, churches, industrial premises and property managers responsible for fire safety and site security.
Financial Health
StrongStrong · Hiring · 18% CAGR over 2y
Location
GM ALARMS & CCTV LTD
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
HealthyHealthy · 0% CAGR over 2y
Location
CMC FIRE & SECURITY LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
HealthyHealthy · -86% CAGR over 2y
Location
Emerald Fire and Security Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StableStable · 0% CAGR over 3y
Location
ALARMCO FIRE & ELECTRICAL LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, supplies and installs security systems for residential and commercial properties, including CCTV, intruder alarms, fire and smoke detection, and access control. Also provides electrical and…
Serves homeowners and businesses across Scotland and the north of England needing security, fire safety, access control, monitoring, electrical or IT networking support.
Financial Health
DistressedDistressed
Location
Black Box Security Alarm Systems (Scotland) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and maintains fire and security systems for residential, commercial and public sector sites, including fire alarms, smoke detection, emergency lighting, CCTV, access control,…
Serves homeowners, businesses and public sector organisations across the UK needing fire, life-safety and security protection for residential, commercial and institutional sites.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
Procom Global Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDesigns, installs and maintains security systems including CCTV, access control, intruder alarms and fire protection. Also provides business telecoms, broadband connectivity and managed print…
Serves businesses of all sizes across Scotland needing premises security, fire safety, telecoms, broadband and managed print support, with some services also aimed at homeowners.
Financial Health
HealthyHealthy · -3% CAGR over 2y
Location
POLLOCK HOME SECURITY LTD
Trajectory
4y · 0001–NowFinancial Health
Insufficient historyInsufficient history
Location
PTM Security Solutions Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides design, installation and maintenance of security and access systems including door entry, CCTV, fire alarms and car park barriers, plus roller shutter installation, locksmith services and…
Sells to businesses and organisations needing security and access systems, including multi-site property operators, workplaces, care settings needing nurse call systems, and retailers requiring…
Financial Health
HealthyHealthy · Hiring · 17% CAGR over 1y
Location
TOTAL FIRE & SECURITY SOLUTIONS LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · Hiring · 19% CAGR over 4y
Location
Astra Alarms Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
DM SECURE LTD
Trajectory
3y · 2024–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StableStable · 0% CAGR over 2y
Location
ACSAFE LTD
Trajectory
1y · 2024–NowFinancial Health
Insufficient historyInsufficient history
Location
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How Glasgow access control companies work and how to sell to them
What they do
Access-control companies around Glasgow typically earn from fixed-scope installation projects, hardware resale, service retainers and reactive call-outs. Door-entry upgrades, card-reader roll-outs, CCTV-linked access, automated gates and asset-protection systems are usually sold as a designed package rather than a pure equipment order. Pricing tends to combine survey, design, kit, installation labour and commissioning, with separate recurring charges for planned maintenance, monitoring support, out-of-hours response and compliance documentation. Hardware margin helps, but the more defensible revenue is the service book: installed estates create renewals, emergency work, small additions and periodic upgrades as tenants change, insurers tighten conditions or building managers standardise systems across sites.
Who they sell to
Typical buyers are estates directors, facilities managers, security managers, IT leads and procurement teams at commercial landlords, public bodies, education sites, healthcare premises, housing providers and multi-site operators. Smaller jobs are often won through survey-led quoting and local relationships, while larger premises programmes tend to move through approved-supplier lists, framework agreements, tender packs or RFP processes. Sales cycles vary with building access, risk review and budget ownership: an urgent repair may close quickly, but a multi-building access refresh can sit behind capital approvals, insurance review, cyber assessment and tenant consultation. Most buyers value response coverage and accreditation as much as the initial system specification.
What they buy
Most access-control firms tend to spend on tools that make field delivery less leaky: job scheduling, engineer dispatch, mobile worksheets, asset registers, stock control, quote-to-invoice workflow and service-contract billing. As monitoring and CCTV-linked services expand, they also need secure networking, cloud hosting, device management, backup, cyber assessment and audit logging. Sellers can also find demand for fleet, insurance, health-and-safety training, SIA licensing administration, ICO and GDPR support, accounting, credit control, recruitment and subcontractor management. Marketing spend is usually practical rather than brand-led, with local search, tenders, case-study production and bid support often closer to revenue than broad awareness campaigns.
Why and how to sell to them
Buying intent often appears when an installer wins a maintenance-heavy contract, opens a service desk, hires operations leadership, adds engineers, moves into guarding-adjacent work or inherits a mixed installed base after acquisition. Pain points are usually operational: missed call-outs, poor stock visibility, slow quoting, weak handover from project teams to service teams, audit gaps around keys and access privileges, and margin loss from repeat site visits. Outbound angles tend to land better when they attach to a measurable process problem, such as improving first-time-fix rates, reducing invoice lag, evidencing SIA or ICO controls, or giving management a clearer view of service profitability across Glasgow and nearby sites.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
Also in Glasgow
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Frequently asked questions
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